fixup date.py typos
fixup date.py typos

tshrinivasan/open-tamil,Ezhil-Language-Foundation/open-tamil,arcturusannamalai/open-tamil,Ezhil-Language-Foundation/open-tamil,Ezhil-Language-Foundation/open-tamil,arcturusannamalai/open-tamil,Ezhil-Language-Foundation/open-tamil,arcturusannamalai/open-tamil,Ezhil-Language-Foundation/open-tamil,arcturusannamalai/open-tamil,tshrinivasan/open-tamil,Ezhil-Language-Foundation/open-tamil,Ezhil-Language-Foundation/open-tamil,arcturusannamalai/open-tamil,arcturusannamalai/open-tamil,arcturusannamalai/open-tamil,Ezhil-Language-Foundation/open-tamil,tshrinivasan/open-tamil,tshrinivasan/open-tamil,Ezhil-Language-Foundation/open-tamil,tshrinivasan/open-tamil,tshrinivasan/open-tamil,tshrinivasan/open-tamil